After Parker, 1982, and “The Tree of Life”
<==o Alismatanae |--+--+--o Hydrocharitales | | | `-- Hydrocharitaceae | | `--o Najadales 1 | | `-- Najadaceae | `--o Alismatales (sarpiokasvimaiset) | |-- Butomaceae | `--+-- Alismataceae (sarpiokasvit) | `-- Limnocharitaceae `--o Najadales 2 |-- Aponogetonaceae `--+-- Scheuchzeriaceae `--+-+-- Posidoniaceae | `--+-- Cymodoceaceae | `-- Ruppiaceae `--+--+-- Juncaginaceae | `-- Lilaeaceae `--+-- Zosteraceae `--+-- Potamogetonaceae `-- Zannichelliaceae
Reference(s):
iNet: Tree of Life: http://tolweb.org/- Parker, S. P. (ed.), 1982: Synopsis and classification of living organisms. Vols. 1 & 2
–McGrew-Hill Book Company